KR20190109979A - Electronic device and method for controling update thereof - Google Patents

Abstract

According to various embodiments of the present invention, an electronic device comprises: a first memory including a boot region, a kernel region and a recovery region; a second memory for loading data corresponding to at least one of the boot region, the kernel region, and the recovery region included in the first memory; a communication module; and a processor electrically connected to the communication module and the first and second memories. The first memory includes instructions to allow the processor, on execution, to download data in the first memory through the communication module, to perform rebooting when an update for the downloaded data is requested, to determine whether a new version of recovery data is included in the downloaded data during rebooting, and to update the downloaded data on the basis of the new version of the recovery data when the new version of the recovery data is included in the data. Therefore, data can be quickly and easily updated by reducing unnecessary repeated processes in a process of updating the data. Also, other embodiments are possible.

Description

Electronic device and update control method for electronic device {ELECTRONIC DEVICE AND METHOD FOR CONTROLING UPDATE THEREOF}

Various embodiments of the present disclosure relate to a method and an electronic device for controlling an update of an electronic device.

Portable electronic devices such as smartphones may use various functions such as video calls, electronic notebook functions, Internet functions, and the like in the initial simple voice call and short message transmission functions. In general, when a new version of a program different from a previous version of a program is developed, the portable electronic device may need to update data for a new version of a program in order to solve a problem caused by the use of the previous version of the program.

The portable electronic device requiring data update may access a server supporting binary update of the electronic device, download a new version of data from the connected server, and perform an update based on the downloaded data. . For example, manufacturers of portable electronic devices provide data for updating functions and programs based on the FOTA (firmware over the air) method in order to minimize user control in connection with data update. The FOTA update process connects to a server that supports binary update from a portable electronic device, receives new data (eg, data to be updated) from the connected server, and updates the data based on the new data provided upon rebooting. It may be the way. Typically, FOTA-based updates can use a recovery kernel to update new data. Performing the FOTA method based on the google operating system may be referred to as GOTA (eg, Google FOTA).

In general, an update process of an electronic device based on a FOTA method uses a recovery kernel of an earlier version during a data update process. When the portable electronic device updates data using the recovery kernel of the previous version, an error may occur in the data update due to a defect of the recovery kernel of the previous version. In addition, the portable electronic device may have a compatibility problem between the recovery kernel of the previous version and the data to be updated, and it may be difficult to update the data due to the compatibility problem.

Various embodiments of the present disclosure may provide a process of updating data using a new version of a recovery kernel (eg, a new recovery kernel) in place of a previous version of the recovery kernel in the process of updating an electronic device. have.

An electronic device according to various embodiments of the present disclosure may include a first memory including a boot area, a kernel area, and a recovery area; A second memory configured to load data corresponding to at least one of a boot area, a kernel area, and a recovery area included in the first memory; Communication module; And a processor electrically connected with the communication module, the first memory, and the second memory, wherein the first memory, when executed, is configured by the processor to transmit data to the first memory via the communication module. When a download request is made for the update of the downloaded data, a reboot is performed, and upon the rebooting, it is checked whether a new version of recovery data is included in the downloaded data, and the recovery data of the new version is stored in the data. If included in, the downloaded data may be updated based on the new version of the recovery data.

According to various embodiments of the present disclosure, a method for controlling update of an electronic device may include downloading data from a server based on a first memory, performing a reboot upon request for update of the downloaded data, and upon rebooting, Whether the recovery data of the version is included in the downloaded data, and if the recovery data of the new version is included in the data, the downloaded data may be updated based on the recovery data of the new version. have.

According to various embodiments of the present disclosure, a computer-readable storage medium storing a program for executing an update control method of an electronic device on a computer is configured to download data from a server based on a first memory, and to download the data from the server. When the update request is performed, the electronic device is rebooted, and when the rebooting is performed, it is checked whether a new version of the recovery data is included in the downloaded data, and when the new version of the recovery data is included in the data, the Based on the new version of the recovery data, a program for performing a method of updating the downloaded data may be stored.

Various embodiments of the present invention update the new version of the data based on the new version of the recovery kernel, rather than the previous version of the recovery kernel, thereby reducing errors in the data update process. Various embodiments of the present invention can reduce the unnecessary repetition in the process of updating the data, it is possible to update the data quickly and easily. Various embodiments of the present invention may improve user convenience.

1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure.
2A to 2B are exemplary views illustrating a booting method of an electronic device and an updating method of a FOTA method according to various embodiments of the present disclosure.
3A to 3C are exemplary diagrams of a method of updating an FOTA scheme of an electronic device according to various embodiments of the present disclosure.
4 is a flowchart illustrating a method of controlling update of a FOTA scheme of an electronic device according to various embodiments of the present disclosure.
5A to 5C are exemplary views illustrating a method of controlling update of a FOTA scheme of an electronic device according to various embodiments of the present disclosure.
6 is a flowchart illustrating a corresponding method when a power is turned off during an update of a FOTA method of an electronic device according to various embodiments of the present disclosure.
FIG. 7 is a flowchart illustrating a corresponding method when a power is turned off in a process of updating an FOTA method of an electronic device according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments. Referring to FIG. 1, in the network environment 100, the electronic device 101 communicates with the electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or the second network 199. The electronic device 104 may communicate with the server 108 through a long range wireless communication network. According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108. According to an embodiment, the electronic device 101 may include a processor 120, a memory 130, an input device 150, an audio output device 155, a display device 160, an audio module 170, and a sensor module. 176, interface 177, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196, or antenna module 197. ) May be included. In some embodiments, at least one of the components (for example, the display device 160 or the camera module 180) may be omitted or one or more other components may be added to the electronic device 101. In some embodiments, some of these components may be implemented in one integrated circuit. For example, the sensor module 176 (eg, fingerprint sensor, iris sensor, or illuminance sensor) may be implemented embedded in the display device 160 (eg, display).

The processor 120, for example, executes software (eg, the program 140) to execute at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, processor 120 may send instructions or data received from another component (eg, sensor module 176 or communication module 190) to volatile memory 132. Can be loaded into, processed in a command or data stored in volatile memory 132, and stored in the non-volatile memory (134). According to an embodiment, the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor), and a coprocessor 123 (eg, a graphics processing unit, an image signal processor) that may operate independently or together. , Sensor hub processor, or communication processor). Additionally or alternatively, the coprocessor 123 may be configured to use lower power than the main processor 121 or to be specialized for its designated function. Here, the coprocessor 123 may be implemented separately from or as part of the main processor 121.

The coprocessor 123 may, for example, replace the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 may be active (eg, execute an application). At least one of the components of the electronic device 101 (eg, the display device 160, the sensor module 176, or the communication module 190) together with the main processor 121 while in the) state. Control at least some of the functions or states associated with the. According to one embodiment, the coprocessor 123 (eg, image signal processor or communication processor) may be implemented as part of other functionally related components (eg, camera module 180 or communication module 190). have.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. The data may include, for example, software (eg, the program 140) and input data or output data for a command related thereto. The memory 130 may include a volatile memory 132 (eg, DRAM, SRAM, or SDRAM) or a nonvolatile memory 134. The nonvolatile memory 134 may be divided into an internal memory 136 and an external memory 138. For example, the internal memory 136 included in the nonvolatile memory 134 may include one time programmable ROM (OTPROM), PROM, EPROM, EEPROM, mask ROM, flash ROM, flash memory, hard drive, and universal flash storage. ), At least one of a solid state drive (SSD). The external memory 138 included in the nonvolatile memory 134 may include a flash drive, a compact flash (CF), a secure digital (SD), a micro-SD, a mini-SD, an extreme digital (XD), and an MMC ( a multi-media card), an embedded multi-media card (eMMC), a memory stick, or the like. The external memory 138 may be functionally or physically connected to the electronic device 101 through various interfaces.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. The data may include, for example, software (eg, the program 140) and input data or output data for a command related thereto. The memory 130 may include a volatile memory 132 or a nonvolatile memory 134.

Program 140 may be stored as software in memory 130 and may be, for example, operating system 142, middleware 144, applications 146 (eg, application programs) and / or kernel 148. It may include. According to various embodiments, the operating system 142 may be an operating system, and at least some of the middleware 144, the application 146, and the kernel 148 may be included in the operating system. The kernel 148 may be a system resource that is used in executing an operation or function implemented in other programs (eg, operating system 142, middleware 144, application 146), for example. For example, the processor 120, the memory 130, and the like may be controlled or managed. In addition, the kernel 148 may control and / or manage system resources by accessing individual components of the electronic device 101 from the operating system 142, the middleware 144, and / or the application program 146. Can provide an interface. According to various embodiments, the kernel 148 may be an linux kernel based on Android, and may manage data such as a memory and a task. The kernel 148 may include an LCD driver, an audio driver, a graphics driver, and the like. Although not shown, the kernel 148 may include a recovery kernel, and the recovery kernel may be a linux kernel for performing FOTA data update. Hereinafter, the recovery kernel is written separately from the kernel 148, but according to an embodiment, the recovery kernel may be included in the kernel 148. Hereinafter, the recovery kernel may mean recovery, or recovery data.

The input device 150 may receive a command or data to be used for a component (for example, the processor 120) of the electronic device 101 from the outside (for example, a user) of the electronic device 101. The input device 150 may include, for example, a microphone, a mouse, or a keyboard.

The sound output device 155 may output a sound signal to the outside of the electronic device 101. The sound output device 155 may include, for example, a speaker or a receiver. The speaker may be used for general purposes such as multimedia playback or recording playback, and the receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from or as part of a speaker.

The display device 160 may visually provide information to the outside (eg, a user) of the electronic device 101. The display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to an exemplary embodiment, the display device 160 may include touch circuitry configured to sense a touch, or sensor circuit (eg, a pressure sensor) configured to measure the strength of the force generated by the touch. have.

The audio module 170 may convert sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires sound through the input device 150, or an external electronic device (for example, directly or wirelessly connected to the sound output device 155 or the electronic device 101). Sound may be output through the electronic device 102)) (for example, a speaker or a headphone).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101, or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an infrared sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more designated protocols that may be used for the electronic device 101 to be directly or wirelessly connected to an external electronic device (for example, the electronic device 102). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that can be perceived by the user through tactile or kinesthetic senses. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and videos. According to an embodiment, the camera module 180 may include one or more lenses, an image sensor, an image signal processor, or flashes.

The power management module 188 may manage power supplied to the electronic device 101. According to one embodiment, the power management module 188 may be implemented, for example, as at least part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101. According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell or a fuel cell.

The communication module 190 may establish a direct (eg wired communication channel) or wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establish and perform communication over established communication channels. The communication module 190 may operate independently of the processor 120 (eg, an application processor) and include one or more communication processors that support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a near field communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg It may include a local area network (LAN) communication module, or a power line communication module. Corresponding ones of these communication modules may be used by using a first network 198 (e.g. a short range communication network such as Bluetooth, WiFi direct or infrared data association) or a second network 199 (e.g. cellular network, the Internet Or a telecommunication network such as a computer network (for example, a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented by a plurality of components (eg, a plurality of chips) separate from each other. The wireless communication module # 92 uses subscriber information (e.g., international mobile subscriber identifier (IMSI)) stored in the subscriber identification module # 96 such as the first network # 98 or the second network # 99. The electronic device # 01 may be identified and authenticated in the communication network.

The antenna module 197 may transmit a signal or power to an external (eg, an external electronic device) or receive a signal or power from the outside. According to one embodiment, the antenna module 197 may comprise one or more antennas, from which at least one suitable for a communication scheme used in a communication network, such as the first network 198 or the second network 199. Antenna may be selected by the communication module 190, for example. The signal or power may be transmitted or received between the communication module 190 and the external electronic device through the at least one selected antenna.

At least some of the components are connected to each other and connected to each other through a communication method between peripheral devices (eg, a bus, a general purpose input and output (GPIO), a serial peripheral interface (SPI), or a mobile industry processor interface (MIPI)). For example, commands or data).

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199. Each of the electronic devices 102 and 104 may be a device of the same or different type as the electronic device 101. According to an embodiment of the present disclosure, all or part of operations executed in the electronic device 101 may be executed in one or more external devices among the external electronic devices 102, 104, and 108. For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service itself. In addition to or in addition, one or more external electronic devices may be requested to perform at least a part of the function or the service. The one or more external electronic devices that receive the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101. The electronic device 101 may process the result as it is or additionally and provide it as at least part of a response to the request. To this end, for example, cloud computing, distributed computing, or client-server computing technology may be used.

2A to 2B are exemplary views illustrating a booting method of an electronic device and an updating method of a FOTA method according to various embodiments of the present disclosure.

2A is an exemplary diagram 200 of a booting method of an electronic device. According to various embodiments of the present disclosure, the electronic device 201 (for example, the electronic device 101 of FIG. 1) may include a software (for example, a program) and a memory (for example, a memory for storing input data or output data for a command related thereto). The memory 130 of FIG. 1 may be included. The memory may be divided into a nonvolatile memory 210 (eg, nonvolatile memory 134 of FIG. 1) and a volatile memory 220 (eg, volatile memory 132 of FIG. 1).

According to various embodiments of the present disclosure, the electronic device 201 may include a boot 211 (eg, a bootloader), a modem 212, a kernel 213, and a recovery ( 215) (eg, recovery kernel, hereinafter referred to as recovery kernel) and system (not shown) are stored in non-volatile memory 210 (eg, non-volatile memory 134 of FIG. 1). Can be. In the following description, the kernel 213 and the recovery 215 are distinguished, but the recovery 215 may be one kind of the kernel 213.

Referring to FIG. 2A, when power is supplied to the electronic device 201 to boot or reboot, a processor (eg, the processor 120 of FIG. 1) of the electronic device 201 is rebooted. May load the boot 211 (eg, the boot loader) and the kernel 213 stored in the nonvolatile memory 210 (eg, UFS and eMMC) into the volatile memory 220 (eg, RAM). . In the booting process, the processor 120 loads the boot 211 and the kernel 213 into the volatile memory 220, and manages system resources or loads a driver through the loaded boot 221 and the kernel 223. Can be initialized.

2B is an exemplary diagram 205 of a method of updating an FOTA method of an electronic device. Referring to FIG. 2B, the electronic device 201 may store the boot 211, the modem 212, the kernel 213, the recovery 215, and a system (not shown) in the nonvolatile memory 210. Although not shown, the electronic device 201 may download new data (eg, data to be updated, delta) through the server, and reboot to update the downloaded new data. When the electronic device 201 reboots for the FOTA type update, the processor 120 of the electronic device 201 may boot from the non-volatile memory 210 (eg, UFS and eMMC). ) And the recovery 215 may be loaded into the volatile memory 220 (eg, RAM). In the FOTA update process, the processor 120 may update the downloaded new data through the boot 221 and the recovery 225 loaded in the volatile memory 220.

3A to 3C are exemplary diagrams 300 of a method of updating an FOTA scheme of an electronic device according to various embodiments of the present disclosure. 3A to 3C illustrate the FOTA update method of the electronic device shown in FIG. 2B in more detail.

Referring to FIG. 3A, a processor (eg, the processor 120 of FIG. 1) of the electronic device 201 (eg, the electronic device 101 of FIG. 1) may be a server (eg, a server supporting binary update). A new kernel 310 (e.g., a new version of the kernel) from a server (e.g., server 108 of FIG. 1). The processor 120 may store the downloaded new kernel 310 in the nonvolatile memory 210 (eg, the nonvolatile memory 210 of FIGS. 2A and 2B).

Referring to FIG. 3B, the processor 120 of the electronic device 201 may reboot to update the downloaded new kernel 310. Upon rebooting, the processor 120 may load the boot 211 and the recovery 215 stored in the nonvolatile memory 210 into the volatile memory 220. The processor 120 may update the downloaded new kernel 310 through the loaded boot 221 and the recovery 225. For example, the processor 120 may update the kernel 213 stored in the nonvolatile memory 210 with the new kernel 310.

Referring to FIG. 3C, the electronic device 201 may reboot to complete an FOTA type update. Upon rebooting, the electronic device 201 may load the boot 211 and the updated new kernel 310 into the volatile memory 220. The electronic device 201 may be booted based on the loaded boot 221 and the new kernel 320.

4 is a flowchart 400 of a method of controlling an update of a FOTA scheme of an electronic device according to various embodiments of the present disclosure.

Referring to FIG. 4, in operation 401, a processor (eg, the processor 120 of FIG. 1) of an electronic device (eg, the electronic device 101 of FIG. 1) may be a server (eg, a binary supporting server). , New data can be downloaded from the server 108 of FIG. For example, new data may include a new version of data previously stored in a memory (eg, the memory 130 of FIG. 1), newly added data, and data related to a new FOTA engine. The processor 120 may download new data and store the new data in a memory (eg, a nonvolatile memory, the nonvolatile memory 134 of FIG. 1).

In operation 403, the processor 120 may reboot to update the downloaded new data.

In operation 405, the processor 120 may determine whether the new FOTA engine is included in the new data. In detail, the processor 120 loads the recovery stored in the nonvolatile memory 134 into the volatile memory (eg, the volatile memory 132 of FIG. 1) and updates the loaded recovery. This allows you to determine whether the new FOTA engine is included in the new data. For example, if the new kernel file, ramdisk-recovery.img file, and dt.img file are included in the new data, the processor 120 may determine that the new FOTA engine is included in the new data.

If a new FOTA engine is included in the new data in operation 405, the processor 120 may load new recovery corresponding to the new FOTA engine and update new data through the loaded new recovery. In operation 407, the processor 120 may update new data downloaded in operation 401 based on the new FOTA engine.

If the new FOTA engine is not included in the new data in operation 405, in operation 409, the processor 120 loads a recovery corresponding to the previously stored FOTA engine and downloads in operation 401 through the loaded recovery. Updated new data.

According to various embodiments of the present disclosure, the electronic device 101 may download new data from the server 108 and reboot to update the new data. In the rebooting process, the electronic device 101 may determine whether the new FOTA engine is included in the new data, and if the new FOTA engine is included in the new data, the electronic device 101 may load a new recovery corresponding to the new FOTA engine. The electronic device 101 may update new data through new recovery.

According to various embodiments of the present disclosure, since the electronic device 101 updates new data based on new recovery, an error in the data update process may be reduced. For example, if new data is updated based on the existing recovery, a compatibility problem may occur between the recovery and the new data, and the electronic device 101 may fail to update. Typically, when updating the new data, the electronic device 101 does not perform a process of checking whether the new FOTA engine is included in the new data (for example, operation 405 of FIG. 4). The electronic device 101 may update new data based on the existing recovery, but an update error may occur. As the electronic device 101 is rebooted again in the existing recovery-based update process, user convenience may be inferior. According to various embodiments of the present disclosure, since the electronic device 101 updates the new data based on the new recovery, the update error can be reduced and the user convenience can be improved by minimizing the rebooting.

5A through 5C are exemplary diagrams 500 of a method of controlling an update of a FOTA scheme of an electronic device according to various embodiments of the present disclosure. 5A to 5C illustrate a process of efficiently controlling an update of the FOTA method based on the new recovery when new recovery is included in new data.

Referring to FIG. 5A, a processor (eg, the processor 120 of FIG. 1) of the electronic device 501 (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2) may be a server (eg, New data 510 may be downloaded from a server supporting binary updates, server 108 of FIG. 1. The new data 510 may include a new kernel 513 and a new recovery 515. The processor 120 may store the downloaded new data 510 in the nonvolatile memory 210 (eg, the nonvolatile memory 210 of FIG. 2). The nonvolatile memory 210 may store a boot 211, a modem 212, a kernel 213, and a recovery 215, and may include the boot 211, modem 212, kernel 213, and recovery. The new data 510 may be stored in another area other than the area in which 215 and the like are stored.

Referring to FIG. 5B, the processor 120 of the electronic device 501 may reboot based on the recovery 215 to update the downloaded new data 510. Upon rebooting, the processor 120 decompresses the boot 211 stored in the nonvolatile memory 210, the recovery 215, and the new recovery 515 included in the new data 510, and then the volatile memory 520. Can be loaded with For example, the processor 120 may include a start address and index information corresponding to a memory area (for example, a part of the nonvolatile memory 210) in which the downloaded new data 510 is stored, and specify a specific area of the memory. (Eg, a partial region in the volatile memory 220). The processor 120 may load the recovery 215 into the volatile memory 220, and load the new recovery 515 into the volatile memory 220 based on the start address and the index information stored in the specific region.

According to various embodiments of the present disclosure, the processor 120 stores an area (eg, a nonvolatile memory) in which the new recovery 515 is stored in order to update the FOTA based on the new recovery 515 included in the downloaded new data 510. Position information (eg, coordinates) corresponding to a portion of the area 210 may be checked. When booting, the processor 120 uses the recovery 225 loaded into the volatile memory 220 to display a flag (magic number) data and a start address of the new recovery 515 at a predetermined address in the volatile memory 220. Booting information can be saved. The flag (magic number) data may be data for determining whether to store the new recovery 515.

According to various embodiments, the processor 120 may load the new recovery 515 into the volatile memory 220 through the recovery 225, and based on the loaded new recovery 515, the flag (magic) number) data, a start address of the new recovery 515, and at least some of booting information may be stored at a predetermined address in the volatile memory 220. The processor 120 may perform a warm reset. The warm reset may be a method of performing a reset on the system without erasing data stored in the volatile memory 220. Referring to FIG. 5C, when performing a warm reset, the processor 120 may check whether the stored flag data is stored through the boot 221 and the recovery 225. If there is the flag data, the processor 120 may perform a FOTA update corresponding to the new recovery 515 based on the start address of the new recovery 515. If there is no flag data, the processor 120 may boot through the boot 221 and the recovery 225. According to various embodiments of the present disclosure, after checking whether the new recovery 515 is stored through the flag data, the processor 120 may delete the flag data in order to prevent an infinite loop due to the flag data.

According to various embodiments of the present disclosure, the processor 120 may update the new data 510 stored in the nonvolatile memory 210 based on the new recovery 515. For example, the processor 120 may use the new recovery 515 loaded into the volatile memory 220 to transfer the kernel 213 and the recovery 215 stored in the nonvolatile memory 210 to the new kernel 513 and the second recovery 215. update with new recovery 515. According to various embodiments, the processor 120 deletes the recovery 225 loaded in the volatile memory 220, and based on the new recovery 515 loaded in the volatile memory 220, the nonvolatile memory 210 may be used. The kernel 213 and the recovery 215 stored therein may be updated. The processor 120 may delete the kernel 213 and the recovery 215 stored in the nonvolatile memory 210, and install the new kernel 513 and the new recovery 515. The electronic device 501 may reboot to complete the FOTA type update. Upon rebooting, the electronic device 501 loads the updated new kernel 513 into the volatile memory 520 and based on the loaded new kernel 513. Can be booted.

According to various embodiments of the present disclosure, the processor 120 may perform a FOTA update based on the new recovery 515 loaded into the volatile memory 220 without performing a warm reset. For example, the processor 120 transfers the authority of the recovery 225 to the new recovery 515 (eg, the new recovery 515 loaded into the volatile memory 220) without a warm reset, and the new recovery ( Based on 515), the FOTA update can be performed immediately.

An electronic device according to various embodiments of the present disclosure may include a first memory 210 including a boot area 211, a kernel area 213, and a recovery area 215. The second memory 220 and a communication module (eg, FIG. 1) configured to load data corresponding to at least one of the boot area 211, the kernel area 213, and the recovery area 215 included in the first memory 210. Communication module 190, and a processor (eg, the processor 120 of FIG. 1) electrically connected to the communication module, the first memory 210, and the second memory 220. In the first memory 210, when executed, the processor 120 downloads the data 510 to the first memory 210 through the communication module 190, and the downloaded data 510. When an update request is made, the reboot is performed, and when the reboot is performed, a new version of the recovery data 515 is downloaded. Whether the new version of the recovery data 515 is included in the data, and loading the new version of the recovery data 515 into the second memory 220. The downloaded data 510 may be updated based on the loaded new version of the recovery data 515.

According to various embodiments of the present disclosure, when an update request for the downloaded data 510 is requested, the processor 120 loads recovery data included in the downloaded data 510 into the second memory 220 and the second memory 220. A warm reset in which recovery data loaded into the memory 220 is not erased may be performed.

According to various embodiments of the present disclosure, the warm reset may maintain a storage state of the recovery data loaded in a designated area of the second memory 220, and initialize the remaining areas of the second memory 220 except for the designated area. Can be.

According to various embodiments of the present disclosure, when the downloaded data includes recovery data of the new version, the processor 120 determines whether to update using the recovery data of the new version, and performs the update. The downloaded data may be updated based on the new version of the recovery data.

According to various embodiments, the processor 120 connects to the server 108 via the communication module 190, identifies a designated area within the first memory 210, and transmits data from the connected server 108. Download the data and store the downloaded data in the identified designated area.

According to various embodiments, the first memory 210 may be a nonvolatile memory, and the second memory 220 may be a volatile memory.

According to various embodiments of the present disclosure, when the data includes the new version of the recovery data 515, the processor 120 may delete an area in which the new version of the recovery data 515 is stored in the second memory 220. And the new version of the recovery data 515 may be updated based on the identified region.

According to various embodiments of the present disclosure, when the power is turned off, when the power is turned off, the processor 120 checks whether the data includes the new version of the recovery data 515, and includes the new version of the recovery data 515. If so, the new version of the recovery data 515 may be loaded into the second memory 220, and the downloaded data may be updated based on the loaded new version of the recovery data 515.

According to various embodiments of the present disclosure, the data may include at least one of kernel data and recovery data, and the processor 120 based on the new version of recovery data 515 loaded in the second memory. And at least one data of the recovery data.

According to various embodiments of the present disclosure, when the new version of recovery data 515 is not included in the downloaded data, the processor 120 based on the recovery data stored in the first memory 210, the downloaded data. Can be updated.

6 is a flowchart illustrating a corresponding method when a power is turned off during an update of a FOTA method of an electronic device according to various embodiments of the present disclosure.

Referring to FIG. 6, operations 601 to 609 may be the same operations as operations 401 to 409 of FIG. 4. The description of the operations 601 to 609 is replaced with the description of the operations 401 to 409 of FIG. 4.

In operations 607 through 609, the processor (eg, the processor 120 of FIG. 1) may update new data, and power may be turned off in operation 611 while updating the new data. If the power is turned off before the update is complete, the update may be interrupted. Processor 120 may return to operation 603 to complete the update correctly.

According to various embodiments of the present disclosure, when the power is turned off during the FOTA type update, the electronic device 101 may return to the rebooting process before the update. Various embodiments of the present invention may perform the update in a FOTA manner even when the power is turned off.

FIG. 7 is a flowchart illustrating a corresponding method when a power is turned off in a process of updating an FOTA method of an electronic device according to various embodiments of the present disclosure.

Referring to FIG. 7, in operation 701, a processor (eg, the processor 120 of FIG. 1) of an electronic device (eg, the electronic device 101 of FIG. 1) may be a server (eg, a binary supporting server). , New data can be downloaded from the server 108 of FIG. While downloading new data, the electronic device 101 may be powered off in operation 703. According to various embodiments of the present disclosure, the time point at which the power is turned off is not limited.

When the power is turned off, in operation 705, the electronic device 101 may be rebooted, and the electronic device 101 may download new data again and perform an FOTA method update based on the downloaded new data.

In operation 707, the processor 120 of the electronic device 101 may load the recovery included in the new data into the volatile memory (eg, the volatile memory 132 of FIG. 1). According to various embodiments of the present disclosure, the processor 120 may perform a warm reset in order to perform a FOTA type update by using the recovery loaded into the volatile memory. The warm reset may be a method of performing a reset on the system without erasing data stored in the volatile memory 132.

In operation 709, the processor 120 may perform a warm reset. After performing a warm reset, in operation 711, the processor 120 may determine whether the recovery loaded in the volatile memory 132 is a new recovery. For example, the processor 120 may check flag data corresponding to the recovery loaded in the volatile memory 132 and determine whether it is a new recovery based on the checked flag data. According to various embodiments, the processor 120 may determine whether it is a new recovery and then delete the flag data in order to prevent an infinite loop due to the flag data.

If the loaded recovery is new recovery, in operation 713 the processor 120 may update the downloaded new data based on the new recovery. According to various embodiments of the present disclosure, the processor 120 may update the FOTA method by using the new recovery included in the new data.

If the loaded recovery is not new recovery, then at operation 715 the processor 120 may update the downloaded new data based on the defined recovery.

According to various embodiments, the processor 120 may perform a FOTA update based on a new recovery loaded into the volatile memory 132 without performing a warm reset. For example, the processor 120 transfers the authority of the recovery to a new recovery (for example, a new recovery loaded into the volatile memory 132) without a warm reset, and immediately performs a FOTA update based on the new recovery. Can be.

According to another embodiment, the processor 120 may determine whether to execute a new recovery based update at the time of loading the recovery of operation 707 into the volatile memory 132. When the new recovery-based update is executed, the processor 120 may perform an update based on the FOTA method using the new recovery included in the loaded recovery. When not performing a new recovery based update, the processor 120 may perform the FOTA method update using the defined recovery.

According to various embodiments of the present disclosure, a method for controlling update of an electronic device may include downloading data from a server 108 based on a first memory 210 and performing a reboot upon request for updating the downloaded data. When the rebooting, it is determined whether a new version of recovery data 515 is included in the downloaded data, and when the new version of recovery data 515 is included in the data, the new version of recovery data is included. 515 may be loaded into the second memory 220, and the downloaded data may be updated based on the loaded new version of recovery data 515.

Rebooting according to various embodiments of the present disclosure may include loading recovery data included in the downloaded data into the second memory 220 and requesting an update of the downloaded data. The method may include performing a warm reset in which recovery data loaded into the memory is not erased.

According to various embodiments of the present disclosure, the warm reset may maintain a storage state of the recovery data loaded in a designated area of the second memory 220, and initialize the remaining areas of the second memory 220 except for the designated area. Can be.

According to various embodiments of the present disclosure, when the downloaded data includes recovery data of the new version, it is determined whether to update using the recovery data of the new version, and when the update is performed, The method may further include updating the downloaded data based on recovery data.

The downloading of data from the server according to various embodiments of the present disclosure may be performed by connecting to the server 108 through the communication module 190, confirming an area designated in the first memory 210, and connecting the server 108. And downloading the data from the data and storing the downloaded data in the identified designated area.

According to various embodiments of the present disclosure, when the new version of the recovery data 515 is included in the data, the new version of the recovery data 515 is checked in the second memory 220 and the confirmation is performed. The method may further include updating the data using the new version of the recovery data 515 based on the updated region.

According to various embodiments of the present disclosure, when the power is turned off, upon rebooting, the data is checked whether the new version of the recovery data 515 is included, and when the new version of the recovery data 515 is included, the new data is included. The method may further include loading a version recovery data 515 into the second memory 220 and updating the downloaded data based on the loaded new version recovery data 515.

According to various embodiments of the present disclosure, when the new version of the recovery data 515 is not included in the downloaded data, the operation of updating the downloaded data is performed based on the recovery data stored in the first memory 210. It may further include.

The computer-readable storage medium according to various embodiments of the present disclosure may download data from the server 108 based on the first memory 210, perform a reboot upon request for update of the downloaded data, and When the rebooting, it is determined whether a new version of recovery data 515 is included in the downloaded data, and when the new version of recovery data 515 is included in the data, the new version of recovery data is included. A program for performing a method including loading 515 into the second memory 220 and updating the downloaded data based on the loaded new version of recovery data 515 may be stored. .

Electronic devices according to various embodiments of the present disclosure may be various types of devices. The electronic device may include, for example, a portable communication device (eg, a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. Electronic devices according to embodiments of the present disclosure are not limited to the above-described devices.

Various embodiments of the present document and terminology used herein are not intended to limit the technical features described in the present specification to specific embodiments, but should be understood to include various changes, equivalents, or substitutes for the embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the items, unless the context clearly indicates otherwise. In this document, "A or B", "at least one of A and B", "at least one of A or B," "A, B or C," "at least one of A, B and C," and "A And phrases such as "at least one of B, or C" may include all possible combinations of items listed together in the corresponding one of the phrases. Terms such as "first", "second", or "first" or "second" may be used merely to distinguish a component from other corresponding components, and to separate the components from other aspects (e.g. Order). Some (eg first) component may be referred to as "coupled" or "connected" to another (eg second) component, with or without the term "functionally" or "communically". When mentioned, it means that any component can be connected directly to the other component (eg, by wire), wirelessly, or via a third component.

As used herein, the term "module" may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. The module may be an integral part or a minimum unit or part of the component, which performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of this document may include one or more instructions stored on a storage medium (eg, internal memory 136 or external memory 138) that can be read by a machine (eg, electronic device 101). It may be implemented as software (eg, program 140) including the. For example, a processor (eg, the processor 120) of the device (eg, the electronic device 101) may call and execute at least one command among one or more instructions stored from the storage medium. This enables the device to be operated to perform at least one function in accordance with the at least one command invoked. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' means only that the storage medium is a tangible device and does not contain a signal (e.g., electromagnetic waves), which is the case when data is stored semi-permanently on the storage medium. It does not distinguish cases where it is temporarily stored.

According to one embodiment, a method according to various embodiments disclosed herein may be provided included in a computer program product. The computer program product may be traded between the seller and the buyer as a product. The computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or two user devices ( Example: smartphones) can be distributed (eg downloaded or uploaded) directly or online. In the case of on-line distribution, at least a portion of the computer program product may be stored at least temporarily on a device-readable storage medium such as a server of a manufacturer, a server of an application store, or a relay server, or may be temporarily created.

According to various embodiments, each component (eg, module or program) of the above-described components may include a singular or plural entity. According to various embodiments, one or more of the aforementioned components or operations may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of the component of each of the plurality of components the same as or similar to that performed by the corresponding component of the plurality of components before the integration. . According to various embodiments, operations performed by a module, program, or other component may be executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations may be executed in a different order, or omitted. Or one or more other actions may be added.

101, 200: electronic device 120: processor
130: memory 132, 220: volatile memory
134, 210: non-volatile memory 211: boot
212: modem 148, 213: kernel
215: recovery

Claims (20)

In an electronic device,
A first memory including a boot area, a kernel area, and a recovery area;
A second memory configured to load data corresponding to at least one of a boot area, a kernel area, and a recovery area included in the first memory;
Communication module; And
A processor electrically connected to the communication module, the first memory, and the second memory, wherein the first memory, when executed, is executed by the processor,
Via the communication module, download data to the first memory,
When the update request for the downloaded data, perform a reboot,
Upon rebooting, check whether a new version of recovery data is included in the downloaded data,
When the new version of recovery data is included in the data, the new version of recovery data is loaded into the second memory,
And instructions for updating the downloaded data based on the loaded new version of the recovery data.
The method of claim 1,
When the first memory is executed, the processor,
When the update request is made for the downloaded data, the recovery data included in the downloaded data is loaded into the second memory,
And instructions for performing a warm reset in which recovery data loaded into the second memory is not erased.
The method of claim 2,
The warm reset maintains the storage state of the recovery data loaded in the designated area of the second memory, and initializes the remaining areas of the second memory except the specified area.
The method of claim 1,
When the first memory is executed, the processor,
When the downloaded data includes the recovery data of the new version, it is determined whether to update using the recovery data of the new version,
And instructions for updating the downloaded data based on the new version of the recovery data when the update is performed.
The method of claim 1,
When the first memory is executed, the processor,
Through the communication module, to the server,
Confirm a designated area within the first memory,
Download data from the linked server,
Instructions for storing the downloaded data in the identified designated area.
The method of claim 1,
The first memory is a nonvolatile memory,
The second memory is a volatile memory.
The method of claim 1,
When the first memory is executed, the processor,
When the data includes the new version of the recovery data, the area where the new version of the recovery data is stored in the second memory is checked,
And instructions for updating the data using the new version of recovery data based on the identified area.
The method of claim 1,
When the first memory is executed, the processor,
When the power is turned off, upon rebooting, it is checked whether the data includes the new version of recovery data,
When the new version of the recovery data is included, the new version of the recovery data is loaded into the second memory,
And instructions for updating the downloaded data based on the loaded new version of recovery data.
The method of claim 1,
The data includes at least one of kernel data and recovery data,
When the first memory is executed, the processor,
Instructions for updating at least one of the kernel data and the recovery data based on a new version of recovery data loaded into the second memory.
The method of claim 1,
When the first memory is executed, the processor,
And instructions for updating the downloaded data based on the recovery data stored in the first memory when the new version of the recovery data is not included in the downloaded data.
In the update control method of an electronic device,
Downloading data from a server based on the first memory;
Performing a reboot upon request for update of the downloaded data;
Checking whether a new version of recovery data is included in the downloaded data upon the rebooting;
If the new version of recovery data is included in the data, loading the new version of recovery data into a second memory; And
Updating the downloaded data based on the loaded new version of recovery data; How to include.
The method of claim 11,
The operation of performing the reboot,
Loading recovery data included in the downloaded data into the second memory when an update request for the downloaded data is requested; And
Performing a warm reset in which recovery data loaded into the second memory is not erased; How to include.
The method of claim 12,
The warm reset maintains the storage state of the recovery data loaded in the designated area of the second memory and initializes the remaining areas of the second memory except the designated area.
The method of claim 11,
Determining whether to update by using the new version of the recovery data when the downloaded data includes the new version of the recovery data; And
Updating the downloaded data based on the new version of the recovery data when the update is performed; How to include more.
The method of claim 11,
The operation of downloading data from the server,
Connecting to the server via a communication module;
Identifying a designated area within the first memory;
Downloading data from the connected server; And
Storing the downloaded data in the identified designated area; How to include.
The method of claim 11,
When the data includes the new version of the recovery data, identifying a region in which the new version of the recovery data is stored in the second memory; And
Updating the data using the new version of recovery data based on the identified region; How to include more.
The method of claim 11,
Checking whether the new version of recovery data is included in the data when the power is turned off;
If the new version of recovery data is included, loading the new version of recovery data into the second memory; And
Updating the downloaded data based on the loaded new version of recovery data; How to include more.
The method of claim 11,
If the new version of recovery data is not included in the downloaded data, updating the downloaded data based on recovery data stored in the first memory; How to include more.
A computer readable storage medium storing a program for executing an update control method of an electronic device in a computer,
Downloading data from a server based on the first memory;
Performing a reboot of the electronic device when an update request for the downloaded data is performed;
Checking whether a new version of recovery data is included in the downloaded data upon the rebooting;
If the new version of recovery data is included in the data, loading the new version of recovery data into a second memory; And
Updating the downloaded data based on the loaded new version of recovery data; A computer readable storage medium having stored thereon a program for performing a method comprising a.
The method of claim 19,
The operation of performing the reboot,
Loading recovery data included in the downloaded data into the second memory when an update request for the downloaded data is requested; And
Performing a warm reset in which recovery data loaded into the second memory is not erased; A computer readable storage medium having stored thereon a program for performing a method comprising a.

Images